public static Action Add(Action callback)
{
//if we already have it, just use what we have (but increment timesAdded so we know how many Remove() calls are needed)
for(int n = 0; n<_listeners.Count; n++)
{
Action dele = (_listeners[n].weakRef.Target as Action);
if(dele == callback)
{
_listeners[n].timesAdded++;
return _listeners[n].InnerCallback;
}
}
//create a new listener
RXWeakListener listener = new RXWeakListener();
listener.weakRef = new WeakReference(callback);
_listeners.Add(listener);
return listener.InnerCallback;
}
public static Action Add(Action callback)
{
//if we already have it, just use what we have (but increment timesAdded so we know how many Remove() calls are needed)
for (int n = 0; n < _listeners.Count; n++)
{
Action dele = (_listeners[n].weakRef.Target as Action);
if (dele == callback)
{
_listeners[n].timesAdded++;
return(_listeners[n].InnerCallback);
}
}
//create a new listener
RXWeakListener listener = new RXWeakListener();
listener.weakRef = new WeakReference(callback);
_listeners.Add(listener);
return(listener.InnerCallback);
}
public static Action Remove(Action callback)
{
for (int n = 0; n < _listeners.Count; n++)
{
Action dele = (_listeners[n].weakRef.Target as Action);
if (dele == callback)
{
RXWeakListener listener = _listeners[n];
listener.timesAdded--;
if (listener.timesAdded <= 0)
{
_listeners.RemoveAt(n);
}
return(listener.InnerCallback);
}
}
return(null); //this shouldn't ever really happen unless someone removes more listeners than they add
}
